diff --git a/docs/pom.xml b/docs/pom.xml
index dff269407..5579ce811 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 	<packaging>pom</packaging>
 	<name>Spring Cloud Function Docs</name>
diff --git a/pom.xml b/pom.xml
index 09e474311..daed49c80 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<artifactId>spring-cloud-function-parent</artifactId>
 	<name>Spring Cloud Function Parent</name>
-	<version>2.1.0.BUILD-SNAPSHOT</version>
+	<version>2.1.0.M1</version>
 	<packaging>pom</packaging>
 
 	<parent>
diff --git a/spring-cloud-function-adapters/pom.xml b/spring-cloud-function-adapters/pom.xml
index 7eb2a9fd3..1af6efc52 100644
--- a/spring-cloud-function-adapters/pom.xml
+++ b/spring-cloud-function-adapters/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<name>spring-cloud-function-adapter-parent</name>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-aws/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-adapter-aws/pom.xml
index 05d0ab9c3..da951f816 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-aws/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-aws/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-azure/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-adapter-azure/pom.xml
index b7227f595..c1d088b9b 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-azure/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-azure/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/pom.xml b/spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/pom.xml
index 926c2521c..06cfc6a04 100644
--- a/spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/pom.xml
+++ b/spring-cloud-function-adapters/spring-cloud-function-adapter-openwhisk/pom.xml
@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-adapter-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-compiler/pom.xml b/spring-cloud-function-compiler/pom.xml
index 02e43a7eb..118e483ca 100644
--- a/spring-cloud-function-compiler/pom.xml
+++ b/spring-cloud-function-compiler/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-context/pom.xml b/spring-cloud-function-context/pom.xml
index 1b76205bf..fb35f3da7 100644
--- a/spring-cloud-function-context/pom.xml
+++ b/spring-cloud-function-context/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-core/pom.xml b/spring-cloud-function-core/pom.xml
index ab27ce53c..fb5a286c0 100644
--- a/spring-cloud-function-core/pom.xml
+++ b/spring-cloud-function-core/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-dependencies/pom.xml b/spring-cloud-function-dependencies/pom.xml
index 3eb6f61f2..6f874520f 100644
--- a/spring-cloud-function-dependencies/pom.xml
+++ b/spring-cloud-function-dependencies/pom.xml
@@ -10,7 +10,7 @@
 		<relativePath/>
 	</parent>
 	<artifactId>spring-cloud-function-dependencies</artifactId>
-	<version>2.1.0.BUILD-SNAPSHOT</version>
+	<version>2.1.0.M1</version>
 	<packaging>pom</packaging>
 	<name>Spring Cloud Function Dependencies</name>
 	<description>Spring Cloud Function Dependencies</description>
diff --git a/spring-cloud-function-deployer/pom.xml b/spring-cloud-function-deployer/pom.xml
index 6d710e1e7..14e7dd94a 100644
--- a/spring-cloud-function-deployer/pom.xml
+++ b/spring-cloud-function-deployer/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<properties>
diff --git a/spring-cloud-function-deployer/src/it/flux/pom.xml b/spring-cloud-function-deployer/src/it/flux/pom.xml
index 4bac81d2c..bcac12707 100644
--- a/spring-cloud-function-deployer/src/it/flux/pom.xml
+++ b/spring-cloud-function-deployer/src/it/flux/pom.xml
@@ -18,8 +18,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT
-		</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 		<wrapper.version>1.0.17.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-deployer/src/it/support/pom.xml b/spring-cloud-function-deployer/src/it/support/pom.xml
index 1a6268115..b2136a8fd 100644
--- a/spring-cloud-function-deployer/src/it/support/pom.xml
+++ b/spring-cloud-function-deployer/src/it/support/pom.xml
@@ -18,8 +18,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT
-		</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 		<wrapper.version>1.0.17.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-kotlin/pom.xml b/spring-cloud-function-kotlin/pom.xml
index 52a41d6b6..e35fdfc33 100644
--- a/spring-cloud-function-kotlin/pom.xml
+++ b/spring-cloud-function-kotlin/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-aws-custom/pom.xml b/spring-cloud-function-samples/function-sample-aws-custom/pom.xml
index 2d60638a7..ca552d7be 100644
--- a/spring-cloud-function-samples/function-sample-aws-custom/pom.xml
+++ b/spring-cloud-function-samples/function-sample-aws-custom/pom.xml
@@ -17,7 +17,7 @@
 	<properties>
 		<java.version>1.8</java.version>
 		<wrapper.version>1.0.21.RELEASE</wrapper.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-aws/pom.xml b/spring-cloud-function-samples/function-sample-aws/pom.xml
index d6cabfe34..654f9566e 100644
--- a/spring-cloud-function-samples/function-sample-aws/pom.xml
+++ b/spring-cloud-function-samples/function-sample-aws/pom.xml
@@ -25,7 +25,7 @@
 		<java.version>1.8</java.version>
 		<wrapper.version>1.0.17.RELEASE</wrapper.version>
 		<aws-lambda-events.version>2.0.2</aws-lambda-events.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 		<start-class>example.Config</start-class>
 	</properties>
 
diff --git a/spring-cloud-function-samples/function-sample-compiler/pom.xml b/spring-cloud-function-samples/function-sample-compiler/pom.xml
index dd4998c83..4132ac7c5 100644
--- a/spring-cloud-function-samples/function-sample-compiler/pom.xml
+++ b/spring-cloud-function-samples/function-sample-compiler/pom.xml
@@ -20,8 +20,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT
-		</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 		<reactor.version>3.1.2.RELEASE</reactor.version>
 		<wrapper.version>1.0.17.RELEASE</wrapper.version>
 	</properties>
diff --git a/spring-cloud-function-samples/function-sample-pof/pom.xml b/spring-cloud-function-samples/function-sample-pof/pom.xml
index abcc1399b..4c4e29216 100644
--- a/spring-cloud-function-samples/function-sample-pof/pom.xml
+++ b/spring-cloud-function-samples/function-sample-pof/pom.xml
@@ -22,8 +22,7 @@
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
 		<reactor.version>3.1.2.RELEASE</reactor.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT
-		</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-pojo/pom.xml b/spring-cloud-function-samples/function-sample-pojo/pom.xml
index 22a249081..49765722e 100644
--- a/spring-cloud-function-samples/function-sample-pojo/pom.xml
+++ b/spring-cloud-function-samples/function-sample-pojo/pom.xml
@@ -20,7 +20,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 		<wrapper.version>1.0.21.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-samples/function-sample-spring-integration/pom.xml b/spring-cloud-function-samples/function-sample-spring-integration/pom.xml
index 2d742144e..10a74a89d 100644
--- a/spring-cloud-function-samples/function-sample-spring-integration/pom.xml
+++ b/spring-cloud-function-samples/function-sample-spring-integration/pom.xml
@@ -20,7 +20,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 	</properties>
 
 	<dependencies>
diff --git a/spring-cloud-function-samples/function-sample-task/pom.xml b/spring-cloud-function-samples/function-sample-task/pom.xml
index 775bbecb7..631bdd715 100644
--- a/spring-cloud-function-samples/function-sample-task/pom.xml
+++ b/spring-cloud-function-samples/function-sample-task/pom.xml
@@ -20,8 +20,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT
-		</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 		<wrapper.version>1.0.10.RELEASE</wrapper.version>
 		<reactor.version>3.1.2.RELEASE</reactor.version>
 	</properties>
diff --git a/spring-cloud-function-samples/function-sample/pom.xml b/spring-cloud-function-samples/function-sample/pom.xml
index 3bd76b869..1750583ba 100644
--- a/spring-cloud-function-samples/function-sample/pom.xml
+++ b/spring-cloud-function-samples/function-sample/pom.xml
@@ -20,8 +20,7 @@
 
 	<properties>
 		<java.version>1.8</java.version>
-		<spring-cloud-function.version>2.1.0.BUILD-SNAPSHOT
-		</spring-cloud-function.version>
+		<spring-cloud-function.version>2.1.0.M1</spring-cloud-function.version>
 		<wrapper.version>1.0.17.RELEASE</wrapper.version>
 	</properties>
 
diff --git a/spring-cloud-function-samples/pom.xml b/spring-cloud-function-samples/pom.xml
index 07daa1ef8..513850a2c 100644
--- a/spring-cloud-function-samples/pom.xml
+++ b/spring-cloud-function-samples/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<modules>
diff --git a/spring-cloud-function-task/pom.xml b/spring-cloud-function-task/pom.xml
index a96a93a23..e62adcb0b 100644
--- a/spring-cloud-function-task/pom.xml
+++ b/spring-cloud-function-task/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-function-web/pom.xml b/spring-cloud-function-web/pom.xml
index abc95e642..ec7033a1f 100644
--- a/spring-cloud-function-web/pom.xml
+++ b/spring-cloud-function-web/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 
 	<dependencies>
diff --git a/spring-cloud-starter-function-web/pom.xml b/spring-cloud-starter-function-web/pom.xml
index 87cd8de70..47ad2aa39 100644
--- a/spring-cloud-starter-function-web/pom.xml
+++ b/spring-cloud-starter-function-web/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 		<relativePath>..</relativePath>
 	</parent>
 	<artifactId>spring-cloud-starter-function-web</artifactId>
diff --git a/spring-cloud-starter-function-webflux/pom.xml b/spring-cloud-starter-function-webflux/pom.xml
index 08852644a..ec7208c23 100644
--- a/spring-cloud-starter-function-webflux/pom.xml
+++ b/spring-cloud-starter-function-webflux/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-function-parent</artifactId>
-		<version>2.1.0.BUILD-SNAPSHOT</version>
+		<version>2.1.0.M1</version>
 	</parent>
 	<artifactId>spring-cloud-starter-function-webflux</artifactId>
 	<name>spring-cloud-starter-function-webflux</name>